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Finding the Fourth Proportional to 63,162.26, 87,163.16 and 34,867.34

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Solution

The fourth proportional to 63,162.26, 87,163.16 and 34,867.34 is: 48,116.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,162.26 : 87,163.16 = 34,867.34 : x
  2. Step 2: Convert to fraction form
    63,162.26/87,163.16 = 34,867.34/x
  3. Step 3: Cross multiply
    63,162.26x = 87,163.16 × 34,867.34
  4. Step 4: Simplify right side
    63,162.26x = 3,039,147,535.19
  5. Step 5: Solve for x
    x = 3,039,147,535.19/63,162.26
  6. Step 6: Final answer
    x = 48,116.51

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.